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Distinct solutions after online classification (auto/crowd-tune GCC compiler flags (minimize execution time))

Scenario UID8289e0cf24346aa7 (experiment.tune.compiler.flags.gcc.e)
Data UIDa44fc886c53e1f16
Discuss (optimizations to improve compilers,
semantic/data set/hardware features
to improve predictions
, etc):
GitHub wiki, Google group
Download:[ All solutions in JSON ], [ Solutions' classification in JSON ]
Reproduce all (with reactions):ck replay 8289e0cf24346aa7:a44fc886c53e1f16
CompilerGCC 4.9
CPUQualcomm MSM8974PRO-AB
Objectivemin
Improvement key IK1Main kernel execution time speedup [min]
Improvement key IK2Code size improvement

Improvements (<4% variation) Distinct workload for highest improvement
# Solution UID IK1 IK2 New distinct optimization choices Ref Best species Worst species Touched Iters Program CMD Dataset Dataset file CPU freq (MHz) Cores Platform OS Replay
S1 7a4b37e49774007f 1.53 1.07 -O3 -fno-fast-math -fno-graphite-identity -fno-inline-small-functions -fno-ipa-reference -fno-isolate-erroneous-paths-dereference -fno-merge-all-constants -fomit-frame-pointer -fno-tree-pre -fno-unroll-loops -fira-algorithm=priority --param min-inline-recursive-probability=12 --param max-iterations-to-track=1473 --param max-predicted-iterations=116 --param tracer-min-branch-probability-feedback=66 --param sink-frequency-threshold=69 --param l1-cache-size=41 --param l2-cache-size=964 --param tm-max-aggregate-size=16 --param lto-partitions=43 --param case-values-threshold=0 -O3 1 0 2 1 milepost-codelet-mibench-consumer-tiffdither-src-tif-fax3-codelet-9-1 default image-jpg-fgg-office-night-gray data_orig.jpg 1190.4, 1190.4, 1190.4, 1190.4 1 HTC M8 Android 6.0
S2 7ad26a6e5e0b91a8 1.41 1.00 -O3 -fno-branch-target-load-optimize2 -fno-cprop-registers -fno-data-sections -fno-expensive-optimizations -floop-nest-optimize -fno-loop-parallelize-all -fno-peephole -fno-toplevel-reorder -freorder-blocks-and-partition -fno-reschedule-modulo-scheduled-loops -fno-sched-spec-load -fno-sched-spec-load-dangerous -fsched-group-heuristic -fsplit-wide-types -fno-tracer -fno-tree-loop-if-convert-stores -ftree-loop-linear -ftree-loop-vectorize -fno-tree-partial-pre -fno-tree-sink -funsafe-loop-optimizations --param ipcp-unit-growth=18 --param early-inlining-insns=13 --param large-stack-frame=53 --param max-peel-times=18 --param max-once-peeled-insns=162 --param sms-loop-average-count-threshold=0 --param tracer-min-branch-probability-feedback=100 --param max-goto-duplication-insns=14 --param iv-always-prune-cand-set-bound=4 --param scev-max-expr-size=1 --param omega-max-geqs=386 --param omega-max-wild-cards=33 --param omega-eliminate-redundant-constraints=1 --param vect-max-peeling-for-alignment=50 --param sched-spec-prob-cutoff=87 --param sched-mem-true-dep-cost=0 --param l1-cache-line-size=33 --param ira-max-loops-num=198 --param loop-invariant-max-bbs-in-loop=17468 --param min-insn-to-prefetch-ratio=18 --param prefetch-min-insn-to-mem-ratio=4 --param ipa-cp-array-index-hint-bonus=88 --param lto-partitions=34 -O3 1 0 2 1 milepost-codelet-mibench-automotive-susan-e-src-susan-codelet-10-1 default image-tiff-0001 data.tiff 1036.8, 1036.8, 1036.8, 1036.8 1 HTC M8 Android 6.0
S3 e679a0fcc543dfab 1.34 0.99 -O3 -fno-check-data-deps -fcse-follow-jumps -fno-if-conversion -fno-ira-loop-pressure -fivopts -fno-loop-parallelize-all -fno-lto -fmerge-constants -fmath-errno -fno-partial-inlining -fno-reschedule-modulo-scheduled-loops -fno-sel-sched-pipelining-outer-loops -fno-single-precision-constant -fstrict-aliasing -fno-tracer -fno-tree-tail-merge -fno-unroll-all-loops -fvect-cost-model -fweb --param sms-dfa-history=0 --param tracer-max-code-growth=54 --param tracer-min-branch-probability=32 --param max-grow-copy-bb-insns=9 --param iv-always-prune-cand-set-bound=4 --param max-sched-region-blocks=13 --param selsched-max-sched-times=0 --param ira-max-conflict-table-size=1803 --param min-insn-to-prefetch-ratio=14 --param tm-max-aggregate-size=5 --param ipa-cp-eval-threshold=233 --param allow-load-data-races=0 --param allow-packed-load-data-races=0 --param asan-memintrin=0 -O3 1 0 2 1 milepost-codelet-mibench-consumer-tiffdither-src-tiffdither-codelet-1-1 default gsm-0001 data.gsm 1190.4, 1190.4, 1190.4, 1190.4 1 HTC M8 Android 6.0



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